Gording Paling Baru

8/19/2019 Gording Paling Baru

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2.1 Data Perencanaan

2.2 Perhitungan Gording

Mutu baja BJTD 40

Fy = 400 Mpa

Fu = 20 Mpa

! = ".1

#$ = %%2

#y = %.&

'$ = 44.%

'y = 12.2

2.2.1 Perhitungan Panjang batang (uda ) (uda

a. Mencari panjang *i*i +iring bentang ,B = -B

,- = "

,D = 12.,-

a =

-o* a = ,D,B

-o* % = ,D,B

,B = 4.2"4

b. Mencari panjang *i*i +iring bentang ,,/

ebar bentang ,,/ =

a =

-o* a= ebar bentang ,,/Panjang *i*i +irinco* a = 1 +,,/

,,/ = 1.221

Tota panjang *i*i +iring bentang ,/B =

c. Mencari Panjang *i*i +iring batang --/

ebar bentang --/ =

a =

-o* a= ebar bentang --/Panjang *i*i +irin

1M--/

--/ = 1.221

Tota panjang *i*i +iring bentang B-/ =

= 2.130 (gc+2

Berda*ar(an Tabe Pro5i 6on*tru(*i Baja direncana(an Gording dengan pdata *bb :

%o

% o

%o

-o* %o=


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2.2.2 Perhitungan jara( gording dan ju+ah gording

a.

= 4.";


3/28

My2 =

=

b. Beban ,ngin

6oo5i*ien angin te(an dan angin hi*ap :

?ntu( angin hi*ap = ) 084

Ma(a a(ibat angin te(an

61 =

'1 =

M% =

,(ibat angin hi*ap

61 =

'1 =

M% =

c. 6o+bina*i Pe+bebanan

6o+bina*i pe+bebanan tetap = < Beban Mati 3 Beban idup

M$ =

M$ =

My =

My =

6o+bina*i pe+bebanan *e+entara = < Bban +ati 3 Beban idup 3 Beban

M$ =

M$ =

My =

My =

M$ =

=

My =

=

6ontro Tegangan

C =

Perhitu+gan gording a(ibat beban angin berda*ar(an PP#?G 1;&% ha 8 jtiup di a+bi +ini+u+ 2 (g+2

Te(anan angin 40 (g+2

?ntu( angin te(an a E o =


4/28

C =

2;"&.&% 1

< +eebihi tegangan ijin8 +a(a diguna(an 1 tre(*tang

2.2. Direcana(an +engguna(an 1 tre(*tang

A$ =

=

M$1 =

Ay =

=

M1 =

=

a. Beban idup

Perhitungan Gording a(ibat beban hidup +enurut PM# 1;"0 beban hidup

P$ =

=

M$2 =

=

py =

=

My2 =

=

b. Beban ,ngin

Perhitungan gording a(ibat beban angin berda*ar(an PP#?G 1;&% ha 8 j

te(anan tiup dia+bi +ini+u+ 2 (g+2 8 direncana(an te(anan angin 40

6oe5i*ien angin te(an dan angin hi*ap :

?ntu( angin hi*ap = )084

Ma(a a(ibat angin te(an

61 ='1 =

M% =

?ntu( angin te(an a E o =


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,(ibat angin i*ap

61 =

'1 =

M% =

c. 6o+bina*i pe+bebanan

6o+bina*i pe+bebanan tetap = < Beban Mati 3 Beban idup

M$ =

M$ =

My =

My =

6o+bina*i pe+bebanan *e+entara = < Beban +ati 3 Beban idup 3 Beba

MH =

MH =

My =

M =

MH = 2"".;&

= 2"";&.%%

My = 1%1.21

= 1%12.1%%

6ontro tegangan

C =


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Beban +ati A$ =

Beban +ati Ay =

Py =

P$ =

#$ =

#y =

=

=

5y =

5$ =

5 =

5 E 5 ijin


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2.4

Data ) data

1. Jara( (uda ) (uda


8/28

=

Di+ana : F

d =

+a(a dipa(ai be*i untu( i(atan angin dengan dia+eter 10 ++


9/28

a = 10 ++

b = ++

c = 20 ++

t = %82 ++

(g+

+

%. +

+

1 +

,,/

+

Panjang ,B 3 Panjang ,,/

= .4;

1 +

--/

+

Panjang -B 3 Panjang --/

α = %˚

o5i 6ana ber(ait 7 10..20.%829 dengan

c+4

c+4

c+%

c+%


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+ 1.0;&;010;&;

18 ) 2 +

antar gording

2.2 buah

2.2 buah

#y = %.&

'y = 12.2

".1 (g+

"4.;;% (g+

2.;;& (g+

109.501 (g+

10.;&0 (g+

120.481 (g+

Atot *in a

;.10 (g+

1%&.210 (g+

Atot co* a

;&.;2 (g+

1;".%&4 (g+

ini+u+ untu( atap ditetap(an *ebe*ar 100 (g

P *in a

".%& (g

14 P$


11/28

14 py


12/28

2;"&.&%

Atot *in a

;.1002"22 (g+

1%&.21010441 (g+

Atot co* a

;&.;224%%01 (g+

4;.%41210" (g+

ini+u+ untu( atap ditetap(an *ebe*ar 100 (g

P *in a

".%"4%%1 (g

14 P$


13/28

)0.4

)"%.200"%201 (g+

)14.2014201 (g+

M$1 3 M$2

1;.& (g+

My1 3 My2

1%1.21 (g+

,ngin

M$1 3 M$2 3 M%

2"".;& (g+

My1 3 My2 3 M%

1%1.21 (g+

(g+

(g+2

(g+

(g+2


14/28

0.;1 (gc+

0.;&" (gc+

&1.;1 (g

".%& (g

%%2

%.&

2100000

400 c+

0.120&402"%2 c+

0.10;;14202 c+

0.1%2010%;

1.&0 < 5 ijin

OK !!!

;1.41 (g

2.4%02204& (g

&1.;120442&; (g

11.&22"004;14 (g

%

2.2

y$

2.2&;%""2&;4

2

2

arc tan 08;1

42.4;

0."411&2

"4.%01%"41 (g

L F

L C ijin

0.404"4&0

14 . Pi . D2

< < F $ 4 pi 08

10 ++

10 ++

c+4

c+4

(gc+2

Berat *endiri Gording 3 berat *endiri atapgenteng

K. *in %o


15/28

4 +

4."&"4"&& +

40" +

*u+bu gording


16/28

0.4&"%12&04"

=

".&& ++

10 ++

c+2

14 R d2


17/28

2.4 PERHITUNGAN KUDA - KUDA

a. Akibat Beban Matii. Tepi ( P1 P! "

Beban G#$%in&

Beban Atap

Beban P'a#n% %an pen&&ant)n&

Ak*e*#$i* 1+,

ii. Ten&a ( P2 - P %an P/ - P0 "

Beban G#$%in&Beban Atap


Ak*e*#$i* 1+,

iii. P)nak ( P4 "

Beban G#$%in&

Beban Atap


B)b)n&an

Ak*e*#$i* 1+,

a. Akibat Beban Hi%)p

Beban Hi%)p

b. Akibat Beban An&in

K1 +.2k2 -+.4

Men)$)t PPI 3 1 )nt)k beban te$p)*at be$a*a' %a$i

K#e8*ien An&in )nt)k ban&)nan te$t)t)p %en&an α


18/28

K#e8*ien An&in )nt)k %in%in& be$%i$i beba* 6aka 3

An&in tekan An&in Hi*ap

Pe6bebanan An&in P%a k)%a - k)%aAn&in tekan (


19/28

M6a@* 22:!.D 6ak* !.0N 6ak* 40.21

1. K#nt$#' Te&an&an

(M7< " (N7A"

42.+4:4/+!/2

2. K#nt$#' Ge*e$

*@ A1 @ a1 A2 @ a2A1 b @ t*a1 (-t*"72

A2 (-(t* @ 2""72 @ tba2 (-(t* @ 2""74

*@ 2/0/!0

C

2:

C ( D @ *@ " 7 ( tb @ '@ "

2/.!!!1+/+:/

. K#nt$#' tabi'ita* kipPPBBI ;:! Ha' 3 4

a. 7tb !/2/ !/

b. F7 12/ @ b7t*0.1: 2+.:

Ka$ena %)a k$ite$ia te$*eb)t te$pen)i 6aka ba'#k ti%ak be$)b

1 ( F @ " 7 ( b @ t* " 0+

2 :20.:!/

+/: @ iin

k&762

k&762

+0 @ E7

Ka$ena 1 2 $)6)* kip 6e6akai 3


20/28

:22.0:!!:

4. K#nt$#' Fipat

5a$at tekan > 0+ ( PPBBI ;:! pa*a' 0.2 a5at 0

20!

% 4:4.!4

b7t* 910.0000! 9 2/.0+:41::

/. K#nt$#' Fen%)tan

Men)$)t PPBBI ;:4 3 1+0 'en%)tan 6ak*i6)6 akiba 6a@ 172/+ . F

@ @ +.0::0:+!/@ +.0::0:+!/

kip ( 1 - 2/+ 7 - 2/+ " ? +! ?

k&762

$

1+ @ ( $ 7 % "+/

( P &e*e$ 6a@ @ ' " 7


21/28

!/1 k&76 @ 4 6

1+, @ 22+4 P1 %an P!

!/1 k&76 @ 4 6

1+, @ 4:220! ( P2 - P %an P/ - P0 "

!/1 k&76 @ 4 6 @ 2

1+ k&76 @ 4 6

1+, @ /+:200!

P4

1++ k&76

4 6 . /+ k&762 . ( 1:2 . +/ " 6 @ #* /

1: k&762 @ 4 6 @ (1:2 . +/" 6 @ #* /

4 6 . /+ k&762 . ( 1:2 " 6 @ #* /

1: k&762 @ 4 6 @ (1:2 " 6 @ #* /

4 6 . /+ k&762 . ( 1:2 " 6 @ #* /

1: k&762 @ 4 6 @ (1:2 " 6 @ #* /

e*e#$an& peke$a %an pe$a'atann5a 6ini6)6 1++ k&762

1++ k&762 @ 1 6

:/# (PMI ;!+322"


22/28

+.-+.

K1. Ja$ak k)%a - k)%a . <2 k&76

1:./444/02 1: k&6

20.212:0/41!2 20 k&6

K2. Ja$ak k)%a - k)%a . <-04 k&76

0.!+::120/ k&6

/2.42/!+:4/ k&6

i@ :.02 6

i5 /.+2 6 b

A 0./ tb

4. k&76 t*


23/28

k&6 22:! k&6k&k&

9 10++

24++ 66 4 66

!+4 66 44 66

2/0./!0

9 2: LK

a bent)k

k&762 iin k&762

66 6

k&762


24/28

a'. 4! "

( )nt)k p'at - p'at 5an& ti%ak %ipe$k)at "

( Te&an&an tekan te$be*a$ 5an& te$a%i "

( a5ap ti%ak te$a%i 'ipat " ( LK "

beban beban Hi%)p 2.:44 6

66 9 6a@ 2.:44

6 LK

k&762

k&762

: @ E @ I@


25/28

+.+4 k&

1/+.+0:! k&

/4.+24!2 k&24.14 k&2.414 k&2/!./40! k&

+.+4 k&++.1! k&

1+:.+44 k&4:.220! k&4.:220! k&4:2.+44 k&

0+.+: k&

++.1! k&

1+:.+44 k&40:.200! k&

4+ k&/+:.200! k&/+.:200! k&//.+4 k&


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2++ 66

2++ 66

: 66

12 66


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Gording Paling Baru